24. d2c3 A good move, taking the king out of the x-ray with the black rook. 24... a6b7  25. a3a4 I'm a big fan of calm, prophylactic moves in advantageous positions. Firouzja prevents the b6-b5 move, which can give Black counterplay. 25... d7f8  26. c1d1 The center is pretty safe.